--- a/hooks-queue.py	Wed May 30 18:20:33 2018 +0800
+++ b/hooks-queue.py	Wed May 30 18:26:26 2018 +0800
@@ -151,7 +151,7 @@
     application = CandolintHooks(rconn, args.debug)
     application.listen(options.port, options.listen, xheaders=options.xheaders)
 
-    IOLoop.instance().start()
+    IOLoop.current().start()
 
 
 if __name__ == '__main__':

--- a/poller-queue.py	Wed May 30 18:20:33 2018 +0800
+++ b/poller-queue.py	Wed May 30 18:26:26 2018 +0800
@@ -35,7 +35,7 @@
         self.rconn = rconn
         self.targets = targets
         self.interval = interval
-        IOLoop.instance().add_callback(self.setup)
+        IOLoop.current().add_callback(self.setup)
 
     @coroutine
     def setup(self):
@@ -167,7 +167,7 @@
 
     CandolintPoller(rconn, targets, interval, args.debug)
 
-    IOLoop.instance().start()
+    IOLoop.current().start()
 
 
 if __name__ == '__main__':

--- a/requirements.txt	Wed May 30 18:20:33 2018 +0800
+++ b/requirements.txt	Wed May 30 18:26:26 2018 +0800
@@ -1,4 +1,4 @@
 peewee==3.5.0
 PyYAML==3.12
 redis==2.10.6
-tornado==4.5.3
+tornado==5.0.2